fix(test): isolate shared vitest home setup

test/setup.ts

@@ -1 +1,8 @@
-import "./setup.shared.js";
+import { afterAll } from "vitest";
+import { installSharedTestSetup } from "./setup.shared.js";
+
+const testEnv = installSharedTestSetup();
+
+afterAll(() => {
+  testEnv.cleanup();
+});